Discharge Hose Replacement (HP2)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Discharge Hose (HP2)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
WARNING: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed. The High Voltage Disabling procedure will perform the following tasks: Identify how to disable high voltage. Identify how to test for the presence of high voltage. Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed. Failure to follow the procedures exactly as written may result in serious injury or death. Preliminary Procedures Disable the hybrid high voltage system. Refer to High Voltage Disabling . Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2) , Refrigerant Recovery and Recharging (HP2) , and High Voltage Enabling . Remove the air cleaner. Refer to Air Cleaner Assembly Replacement . Remove air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement . Remove the radiator air upper baffle. Refer to Radiator Air Upper Baffle and Deflector Replacement (Yukon) , Radiator Air Upper Baffle and Deflector Replacement (Cadillac) . Remove the radiator side shield. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the front wheelhouse liner right side. Refer to Front Wheelhouse Liner Replacement - Right Side
1	Discharge Hose Nut CAUTION: Refer to Fastener Caution . Tighten 16 N.m (12 lb ft)
2	Discharge Hose Bolt Tighten 16 N.m (12 lb ft)
3	Discharge Hose Procedure Remove and discard sealing washer. Refer to Air Conditioning System Seal Replacement . Disconnect the electrical connector. Enable the hybrid high voltage system. Refer to High Voltage Enabling .